Nature of Business and Significant Accounting Policies (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Barter transactions:
Barter revenue	$ 1,448,000	$ 1,363,000	$ 1,021,000
Barter expense	(1,360,000)	(996,000)	(850,000)
Barter revenue and expense	88,000	367,000	171,000
Advertising and Marketing costs:
Advertising and marketing costs	$ 1,300,000	$ 400,000	$ 200,000